Yes they turn on and off when the pc startAll modern cards' fans with the zero decibel feature remain off until temps get up to ~60C. Do they turn on for a few seconds at boot, then turn off as the driver loads/Win boots?
Then the next test is to see if the fan(s) come on around 60C. Run something like Furmark while in Win and watch the GPU temp. The fan(s) should come on around 60C.Yes they turn on and off when the pc start